Coryphantha guerkeana

Coryphantha guerkeana
Systematics
Order :	Clove-like (Caryophyllales)
Family :	Cactus family (Cactaceae)
Subfamily :	Cactoideae
Tribe :	Cacteae
Genre :	Coryphantha
Type :	Coryphantha guerkeana
Scientific name
	Coryphantha guerkeana
	( Boed. ) Britton & Rose

Coryphantha guerkeana is a species of plant in the genus Coryphantha from the cactus family(Cactaceae). The specific epithet guerkeana honors the German botanist Robert Louis August Maximilian Gürke .

description

Coryphantha guerkeana usually grows individually with spherical, blue-green shoots with wool at the apex , which reach a diameter of 6 to 8 centimeters. The warts , up to 15 millimeters long, are inconspicuous. The woolly axils each have a large red nectar gland . The two to four gray central spines are protruding and slightly curved towards their tip. The seven to twelve radial spines, also gray, are spreading and up to 1.5 centimeters long.

The flowers are colored yellow.

Distribution and systematics

Coryphantha guerkeana is common in the Mexican state of Durango .

The first description as Mammillaria gurkeana by Friedrich Bödeker was published in 1914. Nathaniel Lord Britton and Joseph Nelson Rose put the species in 1923 in the genus Coryphantha . Reto F. Dicht and Adrian D. Lüthy treated Coryphantha guerkeana in 2001 as a synonym of Coryphantha ottonis .

proof

literature

Edward F. Anderson : The Great Cactus Lexicon . Eugen Ulmer KG, Stuttgart 2005, ISBN 3-8001-4573-1 , p. 152 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 100.
↑ Fr. Bödeker: Mammillaria Gürkeana Bödeker, spec. nov. In: Monthly for cactus science . Volume 24, Number 4, 1914, pp. 52-54. ( online ).
^ NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape IV . The Carnegie Institution of Washington, Washington 1923, p. 29-30 ( online ).
^ Reto F. Dicht, Adrian D. Lüthy: A new conspectus of the genus Coryphantha . In: Cactaceae Systematics Initiatives . Number 11, 2001.

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 100.

[2] Fr. Bödeker: Mammillaria Gürkeana Bödeker, spec. nov. In: Monthly for cactus science . Volume 24, Number 4, 1914, pp. 52-54. ( online ).

[3] NL Britton , JN Rose : The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family . tape IV . The Carnegie Institution of Washington, Washington 1923, p. 29-30 ( online ).

[4] Reto F. Dicht, Adrian D. Lüthy: A new conspectus of the genus Coryphantha . In: Cactaceae Systematics Initiatives . Number 11, 2001.